Dr. Leach is the Chair of OBGYN at MSU and Board Certified in Obstetrics and Gynecology with sub specialty certification in Reproductive Endocrinology and Infertility. He is a Fellow in the American College of Obstetrics and Gynecology, the American College of Surgeons and the American College of Clinical Endocrinologists. Dr. Leach serves on several national committees as an expert on in-vitro fertilization (IVF), including the Society of Assisted Reproductive Technologies. He is a national expert on early implantation, and his research is supported by the National Institute of Health to study how this can cause infertility. He is a recognized member of the Best Doctors in America for his contributions to the practice of IVF. Current research interests include Endometriosis and Infertility and Uterine Biology – Maternal Fetal Interactions.